US3479308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifogging film comprising vinyl chloride polymer and fatty acid esters
Assignee: Hexion Inc
•
Filing: 1964-12-11
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Granted: 1969-11-18
•
Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Miles N Gattenby Jr
- 👤 Anthony S D Amato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103; C08K5/0008; C08K5/0016; C08K5/05; C08K5/06; C08K5/09; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L31/00; C08L31/02; C08L31/04; C08L71/00; C08L71/02; C09; C09D; C09D131/00; C09D131/02; C09D131/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2676943A
Cited
US3057810A
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US3048263A
Cited
US3156663A
Cited
US3222210A
Cited
US3303049A
Cited
US3355313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |